Why to learn English?
How to learn English fast and in a meaningful way
This is a very nice place where lots of native English teachers have uploaded videos with some lessons and tips that might come in handy whenever doubts might arise. Here's and example:
Nowadays everybody owns a smartphone and uses it any time, so why not downloading apps thet might hekp us with our English? Click on the picture to reach an article where some of the best ones in the market are reviewed: